HP 3457A Service Manual page 219

1 AS 3457-66503
1
H [- RANGES wpa] si | $3
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i 49. 9K
3V_AC RANGE (U303)
@ 3OOV AC RANGE (U303)
C311
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LOADED
+15V +15V
| TP3O5 FUNCTION [HRMS] Si_| S3
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i
LA
~ _ _ MEAS.
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1 u314(7) AS =
R325
odie TP302
\ 82. 5K
~15V -15V R329